CVE-2024-51502

Name: CVE-2024-51502
Creator: NVD / NIST
Published: 2024-11-04T23:15:05.07+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.1/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2024-51502 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. loona is an experimental, HTTP/1.1 and HTTP/2 implementation in Rust on top of io-uring. `loona-hpack` suffers from the same vulnerability as the original `hpack` as documented in issue #11. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

loona is an experimental, HTTP/1.1 and HTTP/2 implementation in Rust on top of io-uring. `loona-hpack` suffers from the same vulnerability as the original `hpack` as documented in issue #11. All users who try to decode untrusted input using the Decoder are vulnerable to this exploit. This issue has been addressed in release version 0.4.3. All users are advised to upgrade. There are no known workarounds for this vulnerability.

Metrics

CVSS 4.0

5.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.46%

36.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-755

References

Timeline

Published: Nov 4, 2024
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2024-51502?

How severe is CVE-2024-51502?

CVE-2024-51502 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2024-51502?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-51502?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST